Slang for the population of Geraldton, a city north of Perth. The people are generally extremely unreasonable, irritatating and rowdy.
They also drive stupid trucks.
Guy 1 : Why was that guy such a retard?
Guy 2 : He was obviously derro gerro.
by roopoogoo July 25, 2011
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Gerro is een ander woord voor peuk in straattaal.
Letterlijk heel de wereld zegt gerro en geen gerru Fabian stop met deze act!
by Coentunnel November 5, 2020
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